Abstract: In an apparatus and method for transporting cryogenically cooled goods or equipment, a cryostat containing the cryogenically cooled goods or equipment and partially filled with liquid cryogen is provided with a cryogenic refrigerator for active cooling; and auxiliary equipment sufficient to maintain the cryogenic refrigerator in operation, are all mounted on a transportable carrier such that the transportable carrier may be transported with the cryogenic refrigerator in operation without connection of any of the cryostat, refrigerator and auxiliary equipment to any supplies located off of the transportable carrier.